20279578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1811}}^1$

素因数の和:2333

約数の個数: 16

約数和(自身を含む): 33268320

約数和(自身を除く): 12988742

約数列:

[1, 2, 11, 22, 509, 1018, 1811, 3622, 5599, 11198, 19921, 39842, 921799, 1843598, 10139789, 20279578]

約数ペア:

[(1, 20279578), (2, 10139789), (11, 1843598), (22, 921799), (509, 39842), (1018, 19921), (1811, 11198), (3622, 5599)]